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Engineers' Tool Kit - The Free Engineering Tools Site


Free engineering tools, references and news for structural and stress engineers. Almost everything here is free to use and download. 

Find here: 

  • free engineering software, spreadsheets and programs 
  • references to books for stress analysis, fatigue, dynamics, etc. 
  • reports, requirements and manuals for free download or consulting 
  • free software download on the toolkit
  • links to material data, technical reports, unit conversions, etc 
  • news for engineering professionals, videos and more

Complete site content at Site Map


Our articles:    Engineers' Tool Kit - Our View

THE LATEST NEWS - for complete coverage go to NEWS page

From Aviation Week & Space Technology
February 2nd
Mega transport hits hangars in volume for maintenance; Emirates performs first 3C check Airbus’s announcement it will release new variants, FAA’s focus on the large widebody, and airlines’ call for modifications are ...
February 2nd
New maintenance base for landing gear opened by Gameco will be one of the largest in China. read more
February 2nd
Content Source:  Aviation Week & Space Technology - MRO Edition Ways To Cut AOG Costs. A380 Hits the Hangars. Africa’s Expanding MRO Market. Roundup ...
February 2nd
Tools and formulas to help airlines better manage AOG costs New software suites offer improved parts-management capabilities that should help airlines to better regulate AOG costs. read more
February 2nd
After expanding its facilities in Germany, RAS sees opportunities in Namibia. read more
February 2nd
James Albright If you fly circling approaches in the U.S. on a regular basis and train in a simulator, then you know that what you learn in the box has very little to do with what you need to do in the airplane. We ...
From FlightGlobal
January 29th
​With certification still expected in the second quarter, Cessna rolled the first Citation Latitude built to be delivered to a customer off the production line in Wichita, Kansas.
January 29th
​Airbus has acted to stem the instability affecting its A400M tactical transport programme, with the head of the company’s Military Aircraft division having resigned with immediate effect.
January 29th
The US Army has a tight and relatively inflexible plan to modernise existing rotorcraft and eventually achieve a future vertical lift aircraft within the budget it has.
January 29th
​The Ukrainian ministry of defence has claimed that it managed to destroy a number of aircraft held by Russian-backed separatists during two days of fighting in January.
January 29th
The French government and its National Research Agency (ANR) are looking for technology that would be used to prevent unmanned air vehicles flying over nuclear facilities, bids for which need to be submitted by 2 February.
January 29th
Advances in safety thinking about offshore oil support helicopter operations are rapidly being consolidated into practical measures, according to the UK Civil Aviation Authority.



  • Two new links on the LINKS page, to AeroStudents and to Engineers Edge add more reference material and on line calculators of a broad range of engineering topics.

  • Free program for digitizing curves - CurveSnap, added to Programs page and link to on line curve digitizing site

  • Spreadsheet  on Spreadsheets page for extracting SPC loads from NASTRAN f06 output file

  • Link to MIL SPECS and more specifications, handbooks, on EverySpec  at LINKS page

  • New spreadsheets: stress-strain curve for non linear stress analysis and Neuber Plasticity correction using Ramberg&Osgood material curve added to the Spreadsheets page

  • Link to all regulations and specifications, from EASA, on the Regulations - Aircraft page  

  • New page:  CAD Programs with links for download, free, CAD Programs for 2D and 3D

  • New page:  Compilers with links for download, free, compilers for the most used programs for engineering and research.

  • New link on Links page to NASA site with NASA and NACA Technical reports for downloading.



Sukhoi Su-35 at Paris

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SOLAR IMPULSE: Wonderful engineering work

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